package com.xy.server.util;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

public class ServerUtil {

    public static String IP;
    public static String ResPort;
    public static String DBPath;
    public static String ResPath;
    public static String ResImgPath;
    public static String MosaicTemplatePath;


    /**
     * 多IP处理，可以得到最终ip
     * @return
     */
    public static String getIp() {
        String localip = null;// 本地IP，如果没有配置外网IP则返回它
        String netip = null;// 外网IP
        try {
            Enumeration<NetworkInterface> netInterfaces = NetworkInterface
                    .getNetworkInterfaces();
            InetAddress ip = null;
            boolean finded = false;// 是否找到外网IP
            while (netInterfaces.hasMoreElements() && !finded) {
                NetworkInterface ni = netInterfaces.nextElement();
                Enumeration<InetAddress> address = ni.getInetAddresses();
                while (address.hasMoreElements()) {
                    ip = address.nextElement();
//                  System.out.println(ni.getName() + ";" + ip.getHostAddress()
//                          + ";ip.isSiteLocalAddress()="
//                          + ip.isSiteLocalAddress()
//                          + ";ip.isLoopbackAddress()="
//                          + ip.isLoopbackAddress());
                    if (!ip.isSiteLocalAddress() && !ip.isLoopbackAddress()
                            && ip.getHostAddress().indexOf(":") == -1) {// 外网IP
                        netip = ip.getHostAddress();
                        finded = true;
                        break;
                    } else if (ip.isSiteLocalAddress()
                            && !ip.isLoopbackAddress()
                            && ip.getHostAddress().indexOf(":") == -1) {// 内网IP
                        localip = ip.getHostAddress();
                    }
                }
            }
        } catch (SocketException e) {
            e.printStackTrace();
        }
        if (netip != null && !"".equals(netip)) {
            return netip;
        } else {
            return localip;
        }
    }


}
